人教版（2019）必修第三册 Unit4 Space Exploration高频词汇课件（三)(共24张PPT)

(共24张PPT)
Unit 4
高频词汇学习
（三）
设计说明
本课件依据新教材和新课标的要求，将中英文中思维差异大、高考出现频率高、词义较多、用法灵活的词汇进行了汇总和精讲。
特点：创新趣味性导入、追本溯源记单词、多重维度复现单词、遗忘曲线精准练单词、深度学习记忆单词
模块：每个词的呈现同中有异，包含导入、详情和练习三个主要模块。具体分为：情境导入、词根溯源、语义网络图、精准释义、常见搭配、词块例句、高考链接、学后练习等方面
Unit4 高频词汇一览
facility n.
current n.&adj.
otherwise adv.
导入
详情
练习
精准释义
词块例句
高考链接
facility
facility n.
导入
facility [f s l ti] n.
facility,是什么呢？猜一猜。
精准释义
n. 设施;设备[复数]
n. (用于某种活动、行业或服务的)场所;建筑
a pet care facility宠物护理中心
All rooms have private facilities (= a private bathroom).
所有房间都有独立的卫浴。
The hotel has its own pool and leisure facilities.
这家酒店拥有自己的游泳池和休闲设施。
词块例句
This has led companies and individuals to donate money to developing countries to buy computer equipment and Internet facilities.（高考 江苏卷 2019 阅读）
Further, Dallas arts and arts-based businesses produce $298 for every dollar the city spends on arts programming and facilities.（高考 江苏卷 2018 阅读）
该词在历年高考真题中出现25次
高考链接
练习
一、用facility的正确形式填空。
It will provide you with access to University ________(facility) such as University Libraries, Sports Centre, and Computing Services.
His not-for-profit organization runs 100 river boats that serve as floating libraries, schools, and health clinics, and are equipped with solar panels and other communicating ________(facility).
facilities
facilities
导入
详情
练习
精准释义
词块例句
高考链接
current
current n.&adj.
词块拓展
导入
current[ k r nt] n.&adj.
current 电流
current 水流 气流
导入
导入
current adj.
精准释义
n. 水流;电流;气流
n. (事件、时代等)趋势;潮流
adj. [只用于名词前]现今的;当前的
adj. 通用的;流通的;流行的
词块例句
an electrical current电流
go with / against the current of the times顺应/违背时代潮流
the current President现任总统
a current account活期存款账户
词汇拓展
记忆技巧：curr 跑，引申为“发生” + ent 关于…的 → 跑的 → 流动的
currently ['k r ntli ] adv. 现时;当前
currency [‘k r nsi] n. 通货;货币;通用;流行;流传 复数： currencies
记忆技巧：curr 跑，引申为“发生” + ency 表行为 → 跑来跑去 → 流传
Convergence happens when the various proposed solutions are evaluated and reduced to a smaller set of candidate solutions to the current problem.（高考 天津卷3月 2018 阅读）
Their findings were published in Current Biology in 2017.(高考 北京卷 2018 阅读)
该词在历年高考真题中出现33次
高考链接
一、写出划线单词的汉语意思。
Scientists today are making greater effort to study ocean currents.
洋流
2. For college work, you should own a current desk dictionary. 目前的
3. Even in its current state, the Internet has extended my memory and judgment. 现在的
4. Here are three steps to ease the current food crisis and avoid the potential for a global crisis. 当前的
练习
导入
详情
练习
精准释义
词块例句
高考链接
otherwise
otherwise adv.
词块例句
精准释义
adv. [句子副词]否则;不然
adv. [句子副词]除此以外
adv. 以另外方式;别样
词块例句
You’ll have to go now, otherwise you’ll miss your bus.
你现在得走了，否则就赶不上公共汽车了。
There was some music playing upstairs. Otherwise the house was silent. 刚楼上有音乐声，除此之外房子里很安静。
Unless otherwise assigned a seat by the teacher, I always chose
to sit at the back of the classroom.
除非老师另外指定一个座位， 否则我总是坐在教室的后面。
注意：
otherwise用作连词时，有时表示一种含蓄的虚拟条件，此时其后的句子用虚拟语气。
otherwise还常用于句型“祈使句＋otherwise＋陈述句”。
词汇拓展
"Otherwise, I would never speak to another person for weeks on end," she said.(高考 天津卷6月 2020 完型)
History has the potential to break down those boundaries by offering us insight into entire worlds that would otherwise be foreign to us.(高考 天津卷3月 2020 阅读)
该词在历年高考真题中出现51次
高考链接
练习
一、单句改错。
We were delayed at the airport，otherwise we have been here by lunch time.
二、用适当的词填空。
You must start earlier，__________ you’ll not catch the bus.
你必须早点走，否则就赶不上公交车了。
2. I can’t meet you on Sunday. I’ll be __________ occupied.周日我不能见你了，我另外有事。
∧
would
otherwise/or
otherwise